#header{
    background-color: #76b852;
    width: 100%;
    height: 55px;
    text-align: center;
    line-height: 55px;
    font-size: 30px;
    color: #f2f2f2;
}
#content{
    margin: 0 auto;
    width: 750px;
    height: 300px;
}
th{
    height: 50px;
}
td{
    height: 35px;
    text-align: center;
}
input{
    height: 33px;
    background-color: #cdcdcd;
    border-radius: 5px;
}

